Out-of-bounds Read in Rtklib
CVE-2026-56788
RTKLIB through 2.4.3 contains an out-of-bounds read vulnerability in getcodepri function when processing unrecognized RINEX observation codes, allowing attackers to trigger denial of service. Crafted RINEX files with unknown observation ty…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (4.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.
Affected products
- Rtklib
- Tomojitakasu Rtklib — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, technical-description, Third Party Advisory, exploit, Issue Tracking)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-56788?
- CVE-2026-56788 is a medium-severity vulnerability in Rtklib, classified under Out-of-bounds Read. CVSS score: 4.4/10. Published 2026-06-25.
- How severe is CVE-2026-56788?
- Medium severity. CVSS v3 base score is 4.4 out of 10.